Costco voluntarily recalled 79,200 pounds of two types of its store-brand butter over the past month because their labels may not have said the products contain milk.

Costco recalled 80,000 pounds of butter whose packaging omitted the allergen warning 'Contains Milk.' It follows a far worse packaging error from Mattel last week.

Costco is pulling nearly 80,000 pounds of butter off store shelves for packaging missing the "Contains Milk" statement, according to the U.S. Food and Drug Administration. The products include Kirkland Signature Unsalted Sweet Cream Butter and Kirkland ...